CVE-2026-34352

CRITICAL EPSS 15.9%
Published Mar 26, 20263mo ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Mar 26, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
15.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-732

Affected Products 1

VendorProductVersionRange
tigervnctigervnc* <1.16.2

References 5

  • github.com https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393
    Patch
  • github.com https://github.com/TigerVNC/tigervnc/issues/2079
  • groups.google.com https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI
    Mailing ListPatch
  • sourceforge.net https://sourceforge.net/projects/tigervnc/files/stable/1.16.2
    Release Notes
  • openwall.com https://www.openwall.com/lists/oss-security/2026/03/26/7
    Mailing ListThird Party Advisory

Remediation

  • github.com https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393
    Patch
  • groups.google.com https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI
    Mailing ListPatch